1. Al Balqa Applied University,Department Electrical and Electronics Engineering,Al Salt,Jordan
2. State Biotechnological University,Department of Electricity Supply and Energy Management,Kharkiv,Ukraine
3. Dmytro Motornyi Tavria State Agrotechnological University,Department of Electrical Engineering and Electromechanics Named after Prof. V.V. Ovharov,Zaporizhia,Ukraine